const wait = ms => new Promise(resolve => setTimeout(resolve, ms));

/** Serialize J-Link GDB Server starts so two probes on USB do not race. */
let spawnChain = Promise.resolve();

const withGdbSpawn = async fn => {
    const run = spawnChain.then(() => fn());
    spawnChain = run
        .then(() => wait(450))
        .catch(() => wait(450));
    return run;
};

module.exports = { withGdbSpawn };